13-4 MAC 1200/1200 ST Revision C
2012250-021
Troubleshooting: Troubleshooting Chart
Regular AC Line Interference
127(
In the presence of very strong AC line interference in all leads, the
thermal printhead may interrupt the recording. Activate the AC line
filter (50 Hz/60 Hz) in these situations.
Irregular AC Interference
054
054A